[Docs] Add a note clarifying how to get good test performances.

Differential Revision:  https://reviews.llvm.org/D56337

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351885 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Davide Italiano 2019-01-22 21:52:50 +00:00
parent 12007de420
commit a29236b80f

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@ -107,6 +107,13 @@ To run all of the LLVM regression tests use the check-llvm target:
% make check-llvm
In order to get reasonable testing performance, build LLVM and subprojects
in release mode, i.e.
.. code-block:: bash
% cmake -DCMAKE_BUILD_TYPE="Release"
If you have `Clang <http://clang.llvm.org/>`_ checked out and built, you
can run the LLVM and Clang tests simultaneously using: